Sennheiser RS 145 Comfort Instructions for Use - Page 26

Specifications TR 145 transmitter Weight Dimensions (incl. charging cradle) approx. 430 g approx. 85 x 133 x 225 mm (W x D x H) HDR 145 headphones Transducer principle Max. SPL (at 1 kHz) THD (at 1 kHz) Power supply Charging time Operating time Weight dynamic, circumaural, closed 110 dB < 0.5% 2 AAA size NiMH rechargeable batteries (LR 03) approx. 16 hrs (full charge) up to 23 hrs (with fully charged rechargeable batteries) approx. 280 g incl. rechargeable batteries NT-RS 110 mains unit Nominal input voltage Mains frequency Nominal output voltage Nominal output current Operating temperature range 230V AC 50 Hz 9 V DC 200 mA 0 °C to +40 °C Transmitters that operate in the 863 - 865 MHz frequency range can be used licence-free in the following countries: AT, BA, BE, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LI, LT, LU, LV, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, TR, UA. 22